Great Idea (2000)

Five boys and girls, aged 20-25, take on an Interrail trip throughout Europe. After a first stop in Amsterdam, where they meet up with an old teacher of theirs who happens to be gay, they cross Germany and Italy, and eventually end up in a remote island in Greek Cyclades. There, they find a home at Knut's, a faded disco sensation who locked himself up in a beautiful mansion overlooking the sea. During their trip, everyone will discover who they really are...